Cheap flights from Washington, D.C. Reagan-National Airport to Los Angeles from $166

The month of September is, on average, the cheapest month to fly to Los Angeles from Washington, D.C. Reagan-National Airport, with most prices found around $388. If you aren’t able to travel during the month of September, then book flights to Los Angeles from Washington, D.C. Reagan-National Airport during August instead. Flights to Los Angeles in August, while not as cheap as those in September, still average around $390.

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $459. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $602.

Our most recent data shows that the best time of day to fly to Los Angeles is in the evening. Flights from Washington, D.C. Reagan-National Airport to Los Angeles during this time can be as low as $424. At noon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $543 per ticket.

Fly from Washington, D.C. Reagan-National to Los Angeles for the best Washington, D.C. Reagan-National - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Washington, D.C. Reagan-National Airport for as low as $363 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National Airport to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to Los Angeles

American Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to Los Angeles from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 7 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Washington, D.C. and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 167 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Denver (DEN) was the most common stop: 73% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $194.

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 7h 25m.

Chicago (ORD) has the shortest average layover time for this route: 0h 55m.

As of October 2026, there are 11 flights per day flying from Washington, D.C. Reagan-National Airport to Los Angeles. The most common time of day flights depart is 8:00AM, with 58% of flights taking off at noon.

As of October 2026, there are 77 flights per week flying from Washington, D.C. Reagan-National Airport to Los Angeles. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.